Is this murder?

The father of a German exchange student shot dead in Montana after he trespassed in a man's garage has said the US cannot continue to "play cowboy" with firearms.Markus Kaarma has been charged with deliberate murder in the Sunday killing of Diren Dede, 17, of Hamburg.But he says Montana's self-defence law allowed him to shoot the boy.Celal Dede said he would not have allowed his son to study in the US had he been aware of the lenient gun laws."I didn't think for one night that everyone here can kill somebody just because that person entered his back yard," Mr Dede told the German news agency dpa.Pressure authoritiesMr Dede returned to Germany from Montana on Thursday after securing the release of his son's body, a German consulate spokeswoman said.The son of a family of Turkish immigrants to Germany, Diren was attending Big Sky High School in Missoula, Montana, for one year as part of an exchange program.Diren, known in Hamburg for his football skills, had only six weeks